Home / 8,456,434.80-12,686,034.60-2,775,116.40

Finding the Fourth Proportional to 8,456,434.80, 12,686,034.60 and 2,775,116.40

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Solution

The fourth proportional to 8,456,434.80, 12,686,034.60 and 2,775,116.40 is: 4,163,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456,434.80 : 12,686,034.60 = 2,775,116.40 : x
  2. Step 2: Convert to fraction form
    8,456,434.80/12,686,034.60 = 2,775,116.40/x
  3. Step 3: Cross multiply
    8,456,434.80x = 12,686,034.60 × 2,775,116.40
  4. Step 4: Simplify right side
    8,456,434.80x = 35,205,222,669,427.44
  5. Step 5: Solve for x
    x = 35,205,222,669,427.44/8,456,434.80
  6. Step 6: Final answer
    x = 4,163,128.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.